diff options
author | Sergey Senozhatsky <sergey.senozhatsky@gmail.com> | 2016-07-26 15:22:54 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-07-26 16:19:19 -0700 |
commit | ce1ed9f98e888aa220fb09da2e2bcfcfba218a27 (patch) | |
tree | 67d79b4c62b0db0e4732ddba6f720c8c0a6cc021 /drivers/block/zram/zcomp_lzo.c | |
parent | 69a30a8d2ac17c8080cf6ebfc91149fd6c2648b3 (diff) |
zram: delete custom lzo/lz4
Remove lzo/lz4 backends, we use crypto API now.
[sergey.senozhatsky@gmail.com: zram-delete-custom-lzo-lz4-v3]
Link: http://lkml.kernel.org/r/20160604024902.11778-6-sergey.senozhatsky@gmail.com
Link: http://lkml.kernel.org/r/20160531122017.2878-7-sergey.senozhatsky@gmail.com
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/block/zram/zcomp_lzo.c')
-rw-r--r-- | drivers/block/zram/zcomp_lzo.c | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/drivers/block/zram/zcomp_lzo.c b/drivers/block/zram/zcomp_lzo.c deleted file mode 100644 index ed7a1f0549ec..000000000000 --- a/drivers/block/zram/zcomp_lzo.c +++ /dev/null @@ -1,56 +0,0 @@ -/* - * Copyright (C) 2014 Sergey Senozhatsky. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/lzo.h> -#include <linux/vmalloc.h> -#include <linux/mm.h> - -#include "zcomp_lzo.h" - -static void *lzo_create(gfp_t flags) -{ - void *ret; - - ret = kmalloc(LZO1X_MEM_COMPRESS, flags); - if (!ret) - ret = __vmalloc(LZO1X_MEM_COMPRESS, - flags | __GFP_HIGHMEM, - PAGE_KERNEL); - return ret; -} - -static void lzo_destroy(void *private) -{ - kvfree(private); -} - -static int lzo_compress(const unsigned char *src, unsigned char *dst, - size_t *dst_len, void *private) -{ - int ret = lzo1x_1_compress(src, PAGE_SIZE, dst, dst_len, private); - return ret == LZO_E_OK ? 0 : ret; -} - -static int lzo_decompress(const unsigned char *src, size_t src_len, - unsigned char *dst) -{ - size_t dst_len = PAGE_SIZE; - int ret = lzo1x_decompress_safe(src, src_len, dst, &dst_len); - return ret == LZO_E_OK ? 0 : ret; -} - -struct zcomp_backend zcomp_lzo = { - .compress = lzo_compress, - .decompress = lzo_decompress, - .create = lzo_create, - .destroy = lzo_destroy, - .name = "lzo", -}; |